\begin{abstract}
    This is a very long sentence that should be wrapped at some point, which is the case but is is is is line width is not respected because of the indentation.
    \begin{another}
    Another is a very long sentence that should be wrapped at some point, which is the case but is is is is line width is not respected because of the indentation.
    \begin{itemize}
      \item One is a very long sentence that should be wrapped at some point, which is the case but is is is is line width is not respected because of the indentation.
      \item Two is a very long sentence that should be wrapped at some point, which is the case but is is is is line width is not respected because of the indentation.
    \end{itemize}
    \end{another}
\end{abstract}
